Files
sub2api/Dockerfile
2026-02-06 07:41:23 +08:00

112 lines
3.3 KiB
Docker

# =============================================================================
# Sub2API Multi-Stage Dockerfile
# =============================================================================
# Stage 1: Build frontend
# Stage 2: Build Go backend with embedded frontend
# Stage 3: Final minimal image
# =============================================================================
ARG NODE_IMAGE=node:24-alpine
ARG GOLANG_IMAGE=golang:1.25.7-alpine
ARG ALPINE_IMAGE=alpine:3.20
ARG GOPROXY=https://goproxy.cn,direct
ARG GOSUMDB=sum.golang.google.cn
# -----------------------------------------------------------------------------
# Stage 1: Frontend Builder
# -----------------------------------------------------------------------------
FROM ${NODE_IMAGE} AS frontend-builder
WORKDIR /app/frontend
# Install pnpm
RUN corepack enable && corepack prepare pnpm@latest --activate
# Install dependencies first (better caching)
COPY frontend/package.json frontend/pnpm-lock.yaml ./
RUN pnpm install --frozen-lockfile
# Copy frontend source and build
COPY frontend/ ./
RUN pnpm run build
# -----------------------------------------------------------------------------
# Stage 2: Backend Builder
# -----------------------------------------------------------------------------
FROM ${GOLANG_IMAGE} AS backend-builder
# Build arguments for version info (set by CI)
ARG VERSION=docker
ARG COMMIT=docker
ARG DATE
ARG GOPROXY
ARG GOSUMDB
ENV GOPROXY=${GOPROXY}
ENV GOSUMDB=${GOSUMDB}
# Install build dependencies
RUN apk add --no-cache git ca-certificates tzdata
WORKDIR /app/backend
# Copy go mod files first (better caching)
COPY backend/go.mod backend/go.sum ./
RUN go mod download
# Copy backend source first
COPY backend/ ./
# Copy frontend dist from previous stage (must be after backend copy to avoid being overwritten)
COPY --from=frontend-builder /app/backend/internal/web/dist ./internal/web/dist
# Build the binary (BuildType=release for CI builds, embed frontend)
RUN CGO_ENABLED=0 GOOS=linux go build \
-tags embed \
-ldflags="-s -w -X main.Commit=${COMMIT} -X main.Date=${DATE:-$(date -u +%Y-%m-%dT%H:%M:%SZ)} -X main.BuildType=release" \
-o /app/sub2api \
./cmd/server
# -----------------------------------------------------------------------------
# Stage 3: Final Runtime Image
# -----------------------------------------------------------------------------
FROM ${ALPINE_IMAGE}
# Labels
LABEL maintainer="Wei-Shaw <github.com/Wei-Shaw>"
LABEL description="Sub2API - AI API Gateway Platform"
LABEL org.opencontainers.image.source="https://github.com/Wei-Shaw/sub2api"
# Install runtime dependencies
RUN apk add --no-cache \
ca-certificates \
tzdata \
curl \
&& rm -rf /var/cache/apk/*
# Create non-root user
RUN addgroup -g 1000 sub2api && \
adduser -u 1000 -G sub2api -s /bin/sh -D sub2api
# Set working directory
WORKDIR /app
# Copy binary from builder
COPY --from=backend-builder /app/sub2api /app/sub2api
# Create data directory
RUN mkdir -p /app/data && chown -R sub2api:sub2api /app
# Switch to non-root user
USER sub2api
# Expose port (can be overridden by SERVER_PORT env var)
EXPOSE 8080
# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=10s --retries=3 \
CMD curl -f http://localhost:${SERVER_PORT:-8080}/health || exit 1
# Run the application
ENTRYPOINT ["/app/sub2api"]